CVE-2021-39996

Severity Score

9.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

There is a Heap-based buffer overflow vulnerability with the NFC module in smartphones. Successful exploitation of this vulnerability may cause memory overflow.

Se presenta una vulnerabilidad de desbordamiento de búfer basada en Heap con el módulo NFC en los smartphones. Una explotación con éxito de esta vulnerabilidad puede causar un desbordamiento de memoria

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-08-23 CVE Reserved
2022-01-07 CVE Published
2024-08-04 CVE Updated
2024-09-22 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-787: Out-of-bounds Write

CAPEC

References (2)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://consumer.huawei.com/en/support/bulletin/2021/12	2022-01-13
https://device.harmonyos.com/en/docs/security/update/security-bulletins-202112-0000001183296718	2022-01-13

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Huawei Search vendor "Huawei"		Harmonyos Search vendor "Huawei" for product "Harmonyos"				< 2.0 Search vendor "Huawei" for product "Harmonyos" and version " < 2.0"		-		Affected
Huawei Search vendor "Huawei"		Emui Search vendor "Huawei" for product "Emui"				10.0.0 Search vendor "Huawei" for product "Emui" and version "10.0.0"		-		Affected
Huawei Search vendor "Huawei"		Emui Search vendor "Huawei" for product "Emui"				10.1.0 Search vendor "Huawei" for product "Emui" and version "10.1.0"		-		Affected
Huawei Search vendor "Huawei"		Emui Search vendor "Huawei" for product "Emui"				10.1.1 Search vendor "Huawei" for product "Emui" and version "10.1.1"		-		Affected
Huawei Search vendor "Huawei"		Emui Search vendor "Huawei" for product "Emui"				11.0.0 Search vendor "Huawei" for product "Emui" and version "11.0.0"		-		Affected
Huawei Search vendor "Huawei"		Emui Search vendor "Huawei" for product "Emui"				11.0.1 Search vendor "Huawei" for product "Emui" and version "11.0.1"		-		Affected
Huawei Search vendor "Huawei"		Magic Ui Search vendor "Huawei" for product "Magic Ui"				3.0.0 Search vendor "Huawei" for product "Magic Ui" and version "3.0.0"		-		Affected
Huawei Search vendor "Huawei"		Magic Ui Search vendor "Huawei" for product "Magic Ui"				3.1.0 Search vendor "Huawei" for product "Magic Ui" and version "3.1.0"		-		Affected
Huawei Search vendor "Huawei"		Magic Ui Search vendor "Huawei" for product "Magic Ui"				3.1.1 Search vendor "Huawei" for product "Magic Ui" and version "3.1.1"		-		Affected
Huawei Search vendor "Huawei"		Magic Ui Search vendor "Huawei" for product "Magic Ui"				4.0.0 Search vendor "Huawei" for product "Magic Ui" and version "4.0.0"		-		Affected